Purchase Order able Invoice Means when we want to purchase goods from vendor first we release PO to vendor, after that Vendor Supplies Goods with Invoice, for that invoice only we will pay i.e.,PO Able Invoice and non able invoice means after receving any Service they send a bill and that is called non PO able Invoice for thay invoice we didn't Raise any PO.For ex:- Telephone Bill, etc...

Three way matching invoices is PO quantity and amount, GR quantity and amount, Invoice quantity and amount.Two way matching is only of non po based invoices that is GR quantity and amount and invoice quantity and amount.

Once Po is send to the supplier,we receive the goods receipt.We can match the supplied goods with the purchase order send,Goods Receipts and Invoice received from supplier.This is called 3 way matching.

Three way matching is nothing but the GR (Goods received), IR (Invoice received) and PO (Purchse order).If the Invoice is satified with all this Three ways it is called the Three way matching. If in the Invoice the PO is seen it is called the PO invoice, if it is not seen, it is called the NonPo (or) the GL based invoice.

whether input tax credit is reversible on the credit/ rebate & discount a/c received during the qtr/ year when the rebate & discount is received on account of payment made within time to the buyer and the will charge amount frm us on account of non-payment of puchase amount within time.